197 lines
5.5 KiB
C
197 lines
5.5 KiB
C
|
/* $Id$
|
||
|
|
|
||
|
|
Part of SWI-Prolog
|
||
|
|
|
||
|
|
Author: Jan Wielemaker
|
||
|
|
E-mail: wielemak@science.uva.nl
|
||
|
|
WWW: http://www.swi-prolog.org
|
||
|
|
Copyright (C): 1985-2007, University of Amsterdam
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU General Public License
|
||
|
|
as published by the Free Software Foundation; either version 2
|
||
|
|
of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with this library; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
|
||
|
|
As a special exception, if you link this library with other files,
|
||
|
|
compiled with a Free Software compiler, to produce an executable, this
|
||
|
|
library does not by itself cause the resulting executable to be covered
|
||
|
|
by the GNU General Public License. This exception does not however
|
||
|
|
invalidate any other reasons why the executable file might be covered by
|
||
|
|
the GNU General Public License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef H_NONBLOCKIO_INCLUDED
|
||
|
|
#define H_NONBLOCKIO_INCLUDED
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************
|
||
|
|
* GET REQUIRED HEADERS *
|
||
|
|
*******************************/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include <config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <SWI-Stream.h>
|
||
|
|
#include <SWI-Prolog.h>
|
||
|
|
|
||
|
|
#ifdef __WINDOWS__
|
||
|
|
|
||
|
|
#include <io.h>
|
||
|
|
#include <winsock2.h>
|
||
|
|
typedef size_t socklen_t;
|
||
|
|
|
||
|
|
#else /*__WINDOWS__*/
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
#ifdef HAVE_SYS_TIME_H
|
||
|
|
#include <sys/time.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_UNISTD_H
|
||
|
|
#include <unistd.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_FCNTL_H
|
||
|
|
#include <fcntl.h>
|
||
|
|
#endif
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#include <netdb.h>
|
||
|
|
#include <netinet/in.h>
|
||
|
|
#ifdef HAVE_NETINET_TCP_H
|
||
|
|
#include <netinet/tcp.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_H_ERRNO
|
||
|
|
extern int h_errno;
|
||
|
|
#else
|
||
|
|
#define h_errno errno
|
||
|
|
#endif
|
||
|
|
#ifndef HAVE_SOCKLEN_T
|
||
|
|
#define socklen_t size_t
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef int SOCKET;
|
||
|
|
|
||
|
|
#endif /*__WINDOWS__*/
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{ TCP_ERRNO,
|
||
|
|
TCP_HERRNO
|
||
|
|
} nbio_error_map;
|
||
|
|
|
||
|
|
typedef enum /* nbio_setopt() commands */
|
||
|
|
{ TCP_NONBLOCK,
|
||
|
|
TCP_REUSEADDR,
|
||
|
|
TCP_NO_DELAY,
|
||
|
|
TCP_DISPATCH,
|
||
|
|
TCP_INSTREAM,
|
||
|
|
TCP_OUTSTREAM,
|
||
|
|
UDP_BROADCAST,
|
||
|
|
NBIO_END
|
||
|
|
} nbio_option;
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{ REQ_NONE = 0, /* no request pending */
|
||
|
|
REQ_ACCEPT,
|
||
|
|
REQ_CONNECT,
|
||
|
|
REQ_READ,
|
||
|
|
REQ_WRITE,
|
||
|
|
REQ_RECVFROM,
|
||
|
|
REQ_SENDTO
|
||
|
|
} nbio_request;
|
||
|
|
|
||
|
|
/* nbio_get_flags() mask */
|
||
|
|
#define PLSOCK_INSTREAM 0x001
|
||
|
|
#define PLSOCK_OUTSTREAM 0x002
|
||
|
|
#define PLSOCK_BIND 0x004 /* What have we done? */
|
||
|
|
#define PLSOCK_LISTEN 0x008
|
||
|
|
#define PLSOCK_CONNECT 0x010
|
||
|
|
#define PLSOCK_ACCEPT 0x020 /* Set on accepted sockets */
|
||
|
|
#define PLSOCK_NONBLOCK 0x040 /* Set to non-blocking mode */
|
||
|
|
#define PLSOCK_DISPATCH 0x080 /* do not dispatch events */
|
||
|
|
#define PLSOCK_CLOSE_SEEN 0x100 /* FD_CLOSE seen */
|
||
|
|
#define PLSOCK_EOF_SEEN 0x200 /* Seen end-of-file */
|
||
|
|
#define PLSOCK_WAITING 0x400 /* using nbio_wait() */
|
||
|
|
|
||
|
|
|
||
|
|
typedef int nbio_sock_t; /* socket handle (not a file-descr) */
|
||
|
|
typedef struct _plsocket *plsocket_ptr; /* wrapped socket */
|
||
|
|
|
||
|
|
/*******************************
|
||
|
|
* BASIC FUNCTIONS *
|
||
|
|
*******************************/
|
||
|
|
|
||
|
|
#ifdef HAVE_DECLSPEC
|
||
|
|
#define NBIO_EXPORT(type) __declspec(dllexport) type
|
||
|
|
#else
|
||
|
|
#define NBIO_EXPORT(type) extern type
|
||
|
|
#endif
|
||
|
|
|
||
|
|
NBIO_EXPORT(int) nbio_init(const char *module);
|
||
|
|
NBIO_EXPORT(int) nbio_cleanup(void);
|
||
|
|
NBIO_EXPORT(int) nbio_debug(int level);
|
||
|
|
|
||
|
|
NBIO_EXPORT(nbio_sock_t)
|
||
|
|
nbio_socket(int domain, int type, int protocol);
|
||
|
|
NBIO_EXPORT(int) nbio_connect(nbio_sock_t socket,
|
||
|
|
const struct sockaddr *serv_addr,
|
||
|
|
size_t addrlen);
|
||
|
|
NBIO_EXPORT(int) nbio_bind(nbio_sock_t socket,
|
||
|
|
struct sockaddr *my_addr,
|
||
|
|
size_t addrlen);
|
||
|
|
NBIO_EXPORT(int) nbio_listen(nbio_sock_t socket, int backlog);
|
||
|
|
NBIO_EXPORT(nbio_sock_t)
|
||
|
|
nbio_accept(nbio_sock_t master,
|
||
|
|
struct sockaddr *addr,
|
||
|
|
socklen_t *addrlen);
|
||
|
|
|
||
|
|
extern ssize_t nbio_read(nbio_sock_t socket, char *buf, size_t bufSize);
|
||
|
|
extern ssize_t nbio_write(nbio_sock_t socket, char *buf, size_t bufSize);
|
||
|
|
NBIO_EXPORT(int) nbio_closesocket(nbio_sock_t socket);
|
||
|
|
extern int nbio_close_input(nbio_sock_t socket);
|
||
|
|
extern int nbio_close_output(nbio_sock_t socket);
|
||
|
|
extern ssize_t nbio_recvfrom(int socket, void *buf, size_t bufSize, int flags,
|
||
|
|
struct sockaddr *from, socklen_t *fromlen);
|
||
|
|
extern ssize_t nbio_sendto(nbio_sock_t socket, void *buf, size_t bufSize, int flags,
|
||
|
|
const struct sockaddr *to, socklen_t tolen);
|
||
|
|
|
||
|
|
NBIO_EXPORT(int) nbio_wait(nbio_sock_t socket, nbio_request);
|
||
|
|
NBIO_EXPORT(SOCKET) nbio_fd(nbio_sock_t socket);
|
||
|
|
extern int nbio_select(int n,
|
||
|
|
fd_set *readfds,
|
||
|
|
fd_set *writefds,
|
||
|
|
fd_set *exceptfds,
|
||
|
|
struct timeval *timeout);
|
||
|
|
|
||
|
|
extern int nbio_unify_ip4(term_t ip4, unsigned long hip);
|
||
|
|
extern int nbio_get_ip(term_t ip4, struct in_addr *ip);
|
||
|
|
|
||
|
|
extern int nbio_error(int code, nbio_error_map map);
|
||
|
|
extern const char*
|
||
|
|
nbio_last_error(nbio_sock_t socket);
|
||
|
|
NBIO_EXPORT(int) nbio_setopt(int socket, nbio_option opt, ...);
|
||
|
|
extern int nbio_get_flags(int socket);
|
||
|
|
|
||
|
|
/* support tipc_setopt() */
|
||
|
|
extern plsocket_ptr
|
||
|
|
nbio_to_plsocket(nbio_sock_t socket);
|
||
|
|
extern SOCKET plsocket_handle(plsocket_ptr s);
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************
|
||
|
|
* CONVERSION *
|
||
|
|
*******************************/
|
||
|
|
|
||
|
|
extern int nbio_get_sockaddr(term_t Address,
|
||
|
|
struct sockaddr_in *addr);
|
||
|
|
extern int nbio_get_ip4(term_t ip4, struct in_addr *ip);
|
||
|
|
|
||
|
|
#endif /*H_NONBLOCKIO_INCLUDED*/
|